/* =========================================================
   Paul Mon — Architectural Designer & Professional Artist
   Stylesheet
   ========================================================= */

:root {
  --color-bg: #faf8f5;
  --color-bg-alt: #f1ece3;
  --color-panel: #ffffff;
  --color-ink: #201d1a;
  --color-ink-soft: #57524a;
  --color-ink-faint: #8a8377;
  --color-accent: #a8622f;
  --color-accent-dark: #7d491f;
  --color-line: #e2dbcd;
  --color-line-strong: #cfc5b0;

  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.section-head {
  max-width: 640px;
  margin: 0 0 3rem;
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
.section-head p { color: var(--color-ink-soft); font-size: 1.05rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  background: transparent;
  color: var(--color-ink);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover { background: var(--color-ink); color: var(--color-bg); }
.btn.btn-primary { background: var(--color-ink); color: var(--color-bg); }
.btn.btn-primary:hover { background: var(--color-accent); border-color: var(--color-accent); }
.btn.btn-accent { border-color: var(--color-accent); color: var(--color-accent); }
.btn.btn-accent:hover { background: var(--color-accent); color: #fff; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.nav-logo span { color: var(--color-accent); }
.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ink-soft);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-ink);
  border-color: var(--color-accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.4rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 800px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 65px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 2rem var(--gutter);
    gap: 1.6rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    border-top: 1px solid var(--color-line);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1rem; }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid var(--color-line);
}
.hero-inner {
  max-width: 760px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  margin-bottom: 0.4em;
}
.hero .role-line {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-style: italic;
  margin-bottom: 1.3rem;
}
.hero p.lede {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* ---------- Split practice section (home) ---------- */
.practice-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--color-line);
}
.practice-panel {
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter);
  border-right: 1px solid var(--color-line);
  position: relative;
}
.practice-panel:last-child { border-right: none; }
.practice-panel .panel-figure {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 1.6rem;
  border: 1px solid var(--color-line);
}
.practice-panel .panel-figure img { width: 100%; height: 100%; object-fit: cover; }
.practice-panel h3 { font-size: 1.6rem; }
.practice-panel p { color: var(--color-ink-soft); }
.practice-panel .btn { margin-top: 0.6rem; }

@media (max-width: 800px) {
  .practice-split { grid-template-columns: 1fr; }
  .practice-panel { border-right: none; border-bottom: 1px solid var(--color-line); }
}

/* ---------- Generic section ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section.alt { background: var(--color-bg-alt); }
.section.bordered { border-bottom: 1px solid var(--color-line); }

/* ---------- Statement / intro text blocks ---------- */
.statement {
  max-width: 720px;
  font-size: 1.15rem;
  color: var(--color-ink-soft);
}
.statement strong { color: var(--color-ink); }

/* ---------- Portfolio / gallery grid ---------- */
.filter-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  background: transparent;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ink-soft);
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.active { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-bg); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.2rem, 2.5vw, 2rem);
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.grid-item {
  cursor: pointer;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  overflow: hidden;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px -18px rgba(32, 29, 26, 0.35);
}
.grid-figure { aspect-ratio: 4 / 3; overflow: hidden; }
.grid-figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 420ms ease; }
.grid-item:hover .grid-figure img { transform: scale(1.06); }
.grid-caption { padding: 1.1rem 1.2rem 1.3rem; }
.grid-caption .tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 0.35rem;
}
.grid-caption h4 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.grid-caption .meta { font-size: 0.85rem; color: var(--color-ink-faint); white-space: pre-line; line-height: 1.4; }
.grid-item.is-hidden { display: none; }

/* ---------- Home preview strips ---------- */
.preview-strip-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.preview-strip-head h2 { margin-bottom: 0; }
.link-more {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  white-space: nowrap;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(24, 21, 18, 0.92);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox-content {
  max-width: min(1400px, 94vw);
  width: fit-content;
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 94vh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.lightbox-figure { background: transparent; line-height: 0; }
.lightbox-figure img { display: block; width: auto; height: auto; max-width: 100%; max-height: 78vh; object-fit: contain; margin: 0 auto; background: transparent; }
.lightbox-body { width: 100%; box-sizing: border-box; padding: 0.85rem 1.75rem 1rem; overflow-y: auto; background: #17140f; color: #fff; }
.lightbox-body .tag { color: var(--color-accent); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; }
.lightbox-body h3 { margin: 0.25rem 0 0.3rem; font-size: 1.15rem; color: #fff; }
.lightbox-body .meta { color: #cfcfcf; font-size: 0.8rem; margin-bottom: 0.4rem; white-space: pre-line; line-height: 1.4; }
.lightbox-body p { color: #e6e6e6; font-size: 0.85rem; margin: 0; line-height: 1.5; }
.lightbox-close {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-prev { left: 1.2rem; }
.lightbox-next { right: 1.2rem; }

/* ---------- About page ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-portrait {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
}
.about-portrait img { width: 100%; height: 100%; object-fit: cover; }
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.two-col h4 { margin-bottom: 0.5rem; }
@media (max-width: 760px) {
  .about-hero { grid-template-columns: 1fr; }
  .about-portrait { max-width: 320px; }
  .two-col { grid-template-columns: 1fr; }
}

.timeline { border-top: 1px solid var(--color-line); margin-top: 1rem; }
.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-line);
}
.timeline-item .year { color: var(--color-accent); font-weight: 700; font-family: var(--font-display); font-size: 1.05rem; }
.timeline-item h4 { margin-bottom: 0.25rem; font-size: 1.05rem; }
.timeline-item p { color: var(--color-ink-soft); margin-bottom: 0; font-size: 0.95rem; }
@media (max-width: 560px) {
  .timeline-item { grid-template-columns: 1fr; gap: 0.3rem; }
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}
.skills-grid .skill-card {
  border: 1px solid var(--color-line);
  padding: 1.4rem;
  border-radius: var(--radius);
  background: var(--color-panel);
}
.skills-grid .skill-card h4 { font-size: 0.95rem; letter-spacing: 0.03em; text-transform: uppercase; margin-bottom: 0.6rem; color: var(--color-accent); }
.skills-grid .skill-card p { font-size: 0.9rem; color: var(--color-ink-soft); margin: 0; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info dl {
  margin: 0;
}
.contact-info .info-block { margin-bottom: 1.8rem; }
.contact-info .info-block dt {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.contact-info .info-block dd { margin: 0; font-size: 1.05rem; }
.social-row { display: flex; gap: 0.9rem; margin-top: 0.4rem; }
.social-row a {
  width: 40px; height: 40px;
  border: 1px solid var(--color-line-strong);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-row a:hover { border-color: var(--color-accent); color: var(--color-accent); }

.form-field { margin-bottom: 1.3rem; }
.form-field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  background: var(--color-panel);
  color: var(--color-ink);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--color-ink-faint); margin-top: 1rem; }
.form-status {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.form-status.show { display: block; }
.form-status.success { background: #eaf3ea; color: #2e6b34; border: 1px solid #bfdcc0; }
.form-status.error { background: #f6e9e6; color: #a3402c; border: 1px solid #e6c3ba; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-inner .foot-links { display: flex; gap: 1.5rem; }
.footer-inner a:hover { color: var(--color-accent); }
.footer-note { font-size: 0.85rem; color: var(--color-ink-faint); }

/* ---------- Page header (interior pages) ---------- */
.page-header {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2.5rem;
  border-bottom: 1px solid var(--color-line);
}
.page-header h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 0.4rem; }
.page-header p { color: var(--color-ink-soft); max-width: 620px; font-size: 1.05rem; }

/* ---------- Utility ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }